Tire sidewall



FIG. 1 is a perspective view of a tire sidewall showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is an enlarged fragmentary perspective view thereof;

FIG. 4 is a perspective view of a second embodiment; and,

FIG. 5 is a front elevational view of a second embodiment.

The broken lines illustrate portions of the tire that form no part of the claimed design. 

CLAIM The ornamental design for a tire sidewall, as shown and described. 